मराठी

From the following data, find: Upper quartile 25, 10, 40, 88, 45, 60, 77, 36, 18, 95, 56, 65, 7, 0, 38 and 83 - Mathematics

Advertisements
Advertisements

प्रश्न

From the following data, find:  

Upper quartile

25, 10, 40, 88, 45, 60, 77, 36, 18, 95, 56, 65, 7, 0, 38 and 83 

बेरीज

उत्तर

Arrange in ascending order: 

0, 7, 10, 18, 25, 36, 38, 40, 45, 56, 60, 65, 77, 83, 88, 95 

Upper quartile

`q_3 = ((3(n))/4)^("th")` term  

`q_3 = (3 xx 16)^("th")/4` term

= 12th term

= 65

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 24: Measure of Central Tendency(Mean, Median, Quartiles and Mode) - Exercise 24 (C) [पृष्ठ ३७२]

APPEARS IN

सेलिना Mathematics [English] Class 10 ICSE
पाठ 24 Measure of Central Tendency(Mean, Median, Quartiles and Mode)
Exercise 24 (C) | Q 4.2 | पृष्ठ ३७२

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Calculate the median from the following data:

Marks below: 10 20 30 40 50 60 70 80
No. of students: 15 35 60 84 96 127 198 250

The weights (in kg) of 10 students of a class are given below:

21, 28.5, 20.5, 24, 25.5, 22, 27.5, 28, 21 and 24.

Find the median of their weights. 


The weight of 60 boys are given in the following distribution table:

Weight (kg) 37 38 39 40 41
No. of boys 10 14 18 12 6

Find:

  1. Median 
  2. Lower quartile 
  3. Upper quartile 
  4. Inter-quartile range  

The median of the following data is 16. Find the missing frequencies a and b if the total of frequencies is 70.

Class 0 – 5 5 – 10 10 – 15 15 – 20 20 – 25 25 – 30 30 – 35 35 – 40
Frequency 12 a 12 15 b 6 6 4

Find the median of the following frequency distribution:

x 10 11 12 13 14 15
f 1 4 7 5 9 3

Calculate the median of the following distribution:

No. of goals 0 1 2 3 4 5
No. of matches 2 4 7 6 8 3

The median of the following observations 11, 12, 14, (x – 2), (x + 4), (x + 9), 32, 38, 47 arranged in ascending order is 24. Find the value of x and hence find the mean.


Mode and mean of a data are 12k and 15A. Median of the data is ______.


Consider the following frequency distribution:

Class 0 – 5 6 – 11 12 – 17 18 – 23 24 – 29
Frequency 13 10 15 8 11

The upper limit of the median class is:


Following is the distribution of the long jump competition in which 250 students participated. Find the median distance jumped by the students. Interpret the median

Distance
(in m)
0 – 1 1 – 2 2 – 3 3 – 4 4 – 5
Number of
Students
40 80 62 38 30

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×